.list{
    height: 55px;
    .avatar{
        width: 55px;
        height: 100%;
        float: left;
        img{
            width: 100%;
            border-radius: 50%
        }
    }
    .content{
        margin-left: 25px;
        float: left;
        span{
            height: 22px;
            line-height: 22px;
            display: inline-block;
            width: 100%
        }
    }
}